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C++ API DOCUMENTATION |
00001 /***************************************************************************** 00002 * 00003 * This file is part of Mapnik (c++ mapping toolkit) 00004 * 00005 * Copyright (C) 2006 Artem Pavlenko 00006 * 00007 * This library is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * This library is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with this library; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00020 * 00021 *****************************************************************************/ 00022 00023 //$Id$ 00024 00025 #ifndef PROJ_TRANSFORM_HPP 00026 #define PROJ_TRANSFORM_HPP 00027 00028 // mapnik 00029 #include <mapnik/projection.hpp> 00030 // boost 00031 #include <boost/utility.hpp> 00032 00033 namespace mapnik { 00034 00035 class MAPNIK_DECL proj_transform : private boost::noncopyable 00036 { 00037 public: 00038 proj_transform(projection const& source, 00039 projection const& dest); 00040 00041 bool forward (double& x, double& y , double& z) const; 00042 bool backward (double& x, double& y , double& z) const; 00043 00044 private: 00045 projection const& source_; 00046 projection const& dest_; 00047 bool is_source_latlong_; 00048 bool is_dest_latlong_; 00049 }; 00050 } 00051 00052 #endif // PROJ_TRANSFORM_HPP